[Coco] COCO PSG - It's alive!

[Zippster]

I’m not too sure, hopefully not too long, I really want to see some more sound stuff get going on the CoCo.

- Ed

> On Dec 25, 2016, at 2:33 PM, Michael Brant <brant.michael.l at gmail.com> wrote:
> 
> Awesome about how long til these are released?
> 
> On Dec 25, 2016 2:28 PM, "Brett Gordon" <beretta42 at gmail.com> wrote:
> 
>> cool sound and wads of ram/flash memory.  I like it.  Merry Christmas Ed!
>> On Dec 25, 2016 10:40 AM, "Zippster" <zippster278 at gmail.com> wrote:
>> 
>>> Thanks Joe!  :D
>>> 
>>> I think we’ll have a lot of fun with this one!
>>> 
>>> - Ed
>>> 
>>>> On Dec 25, 2016, at 6:08 AM, Joe Grubbs <jsgrubbs at hotmail.com> wrote:
>>>> 
>>>> What a great Christmas present for the community too. Excellent work
>> Ed!
>>>> 
>>>> 
>>>> ________________________________
>>>> From: Coco <coco-bounces at maltedmedia.com> on behalf of Zippster <
>>> zippster278 at gmail.com>
>>>> Sent: Sunday, December 25, 2016 1:15 AM
>>>> To: CoCoList for Color Computer Enthusiasts
>>>> Subject: [Coco] COCO PSG - It's alive!
>>>> 
>>>> It's alive!
>>>> 
>>>> Here's a video of the most recent board I've been working on getting
>>> some initial testing.
>>>> This sound chip board, the COCO PSG, adds 1MB of combined FLASH and
>> SRAM
>>> as well
>>>> as a Yamaha YM2149 sound generator.
>>>> 
>>>> Test video
>>>> <https://drive.google.com/open?id=0B1sgl615FlGneHhvVmw2WTg3QWc>
>>>> [https://lh3.googleusercontent.com/uADYQAbjxL2FFMvY2owJFP6nQszFZw
>>> zbSkyKZFniq0-exlkfAFQ0SQ=w1200-h630-p]<https://drive.google.com/open?id=
>>> 0B1sgl615FlGneHhvVmw2WTg3QWc>
>>>> 
>>>> PSG TEST (720p).mov<https://drive.google.com/open?id=
>>> 0B1sgl615FlGneHhvVmw2WTg3QWc>
>>>> drive.google.com
>>>> 
>>>> 
>>>> 
>>>> The board supports switching the sound generator frequency to either 1
>>> or 2MHz.  The first tune,
>>>> Space Debris, is a CPC chiptune being played back with the 1MHz clock.
>>> The second, Seagulls,
>>>> is (I think) from the ST scene and uses 2MHz.
>>>> 
>>>> These are both 50Hz register dumps.
>>>> 
>>>> There's quite a bit of chiptune music that can be easily converted for
>>> playback on this for our CoCos,
>>>> and the possibility of making new tunes. I love this sound chip stuff,
>>> lots of fun... :D
>>>> 
>>>> Merry Christmas everyone!!! :)
>>>> 
>>>> - Ed
>>>> 
>>>> 
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